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A new approach to image metal-soap morphology at the sub-micron scale: synchrotron deep-UV photoluminescence imaging
Mathieu Thoury1, Annelies van Loon2, Katrien Keune3, Matthieu Réfrégiers4, Barbara H. Berrie*5
1IPANEMA, France, 2University of Amsterdam, The Netherlands, 3Rijksmuseum, The Netherlands, 4synchrotron SOLEIL, France, 5National Gallery of Art, USA
Tuesday 15 March 2016:  P23: A new approach to image metal-soap morphology at the sub-micron scale: synchrotron deep-UV photoluminescence imaging  -  11:25 - 11:30
Ageing of natural resins in presence of pigments: metal soaps and oxalates formation.
Tommaso Poli*1, Anna Piccirillo2, Marco Nervo2, Alessia Zoccali1, Francesca Gherardi3, Oscar Chiantore1
1University of Turin, Department of Chemistry, Italy, 2Centro Conservazione e Restauro "La Venaria Reale", Italy, 3Politecnico di Milano, MaMeCH, Italy
Monday 14 March 2016:  P7: Ageing of natural resins in presence of pigments: metal soaps and oxalates formation  -  12:20 - 12:25
An alternative idea for the explanation of protrusion formation based on colloid chemistry?
Patrick Dietemann
Doerner Institut, Germany
Monday 14 March 2016:  P10: An alternative idea for the explanation of protrusion formation based on colloid chemistry?  -  12:35 - 12:40
An Investigation into the Migration of Metal Ions from Paint and Ground Layers into Varnish Coatings
Sally Higgs
Courtauld Institute of Art, UK
Monday 14 March 2016:  P12: An Investigation into the Migration of Metal Ions from Paint and Ground Layers into Varnish Coatings  -  14:50 - 14:55
Beneath the surface: paint losses due to zinc soap formation within ground layers from a late 19th century oil painting
Marta Félix Campos*1,2, Leslie Carlyle1, Maria João Melo1,2
1Departament of Conservation and Restoration, faculty of Sciences and Technology, Universidade Nova de Lisboa, Portugal, 2Laboratório Associado para a Química Verde (LAQV), REQUIMTE, Faculty of Sciences and Technology, Universidade Nova de Lisboa, Portugal
Monday 14 March 2016:  P2: Beneath the surface: paint losses due to zinc soap formation within ground layers from a late 19th century oil painting  -  11:05 - 11:10
CASE STUDY: Scientific investigation and conservation treatment of white spots on The Angel taking leave of Tobit and his family by Jan Victors, 1649, J. Paul Getty Museum, Los Angeles.
Alessa Gambardella*1, Claire Toussat2
1Getty Conservation Institute, USA, 2J. Paul Getty Museum, USA
Tuesday 15 March 2016:  P18: Case study: Scientific investigation and conservation treatment of white spots on The Angel taking leave of Tobit and his family by Jan Victors, 1649, J. Paul Getty Museum, Los Angeles  -  9:55 -10:00
Conservation and alteration of painting pigments: the case of green copper metal soaps
Marion Alter*1,2, Anne-Solenn Le Hô1, Patrice Lehuédé1, Myriam Eveno1, Sandrine Pagès-Camagna1, Michel Menu1, François Mirambet1, Nadège Lubin-Germain2
1C2RMF, France, 2LCB, France
Monday 14 March 2016:  P13: Conservation and alteration of painting pigments: the case of green copper metal soaps  -  14:55 -15:00
Delaminating Oil Paint Layers due to Zinc Soap Formation in a painting by Piet Mondrian (1872-1944)
Laura Raven4,5, Madeleine Bisschoff1, Margje Leeuwestein2, Muriel Geldof3, Henk van Keulen3, Luc Megens3, Maarten van Bommel3,4, Katrien Keune*4,5
1private conservator, The Netherlands, 2Kröller Müller museum, The Netherlands, 3Rijksdienst voor het Cultureel Erfgoed, The Netherlands, 4University of Amsterdam, The Netherlands, 5Rijksmuseum, The Netherlands
Monday 14 March 2016:  P4: Delaminating Oil Paint Layers due to Zinc Soap Formation in a painting by Piet Mondrian (1872-1944)  -  11:15 - 11:20
Disfiguring oxalate crust
Lizet Klaassen*1, Geert van der Snickt2, Catherine Higgitt3, Marika Spring4, Jacques Castaing5, Philippe Walter5, Francesca Rosi6, Brunetto Brunetti7, Stijn Legrand2, Frederik Vanmeert2, Koen Janssens2, Marie Postec8
1Royal Museum of Fine Arts, Belgium, 2Department of Chemistry, University of Antwerp, Belgium, 3British Museum, UK, 4National Gallery, UK, 5LAMS, University Pierre et Marie Curie-CNRS, France, 6Consiglio Nazionale delle Ricerche, CNR-ISTM-Sez., Italy, 7Centre SMAArt, Department of Chemistry, University of Perugia, Italy, 8Independent restorer, Belgium
Tuesday 15 March 2016:  P17: Disfiguring oxalate crust  -  9:50 - 9:55
Examining the Structure and Coordination Environment of Lead Soaps
Jaclyn Catalano1, Yao Yao2, Anna Murphy2, Nicholas Zumbulyadis5, Glen Yapp2, Karen Chen-Wiegart4, Juergen Thiemee4, Frédéric Perras7, Takeshi Kobayashi7, Marek Pruski6, Silvia Centeno*3, Cecil Dybowski2
1Montclair State University, USA, 2University of Delaware, USA, 3Metropolitan Museum of Art, USA, 4Brookhaven National Laboratory, USA, 5Independent Researcher, USA, 6University of Iowa, USA, 7U.S. DOE Ames Laboratory, USA
Tuesday 15 March 2016:  P26: Examining the Structure and Coordination Environment of Lead Soaps  -  12:00 - 12:05
Factors affecting the reactivity of zinc oxide with different oils: a vibrational spectroscopy study
Francesca Casadio*1, Ludovic Bellot-Gurlet2, Celine Paris2
1The Art Institute of Chicago, USA, 2Sorbonne Universités, UPMC Université Pierre et Marie Curie, France
Monday 14 March 2016:  P8: Factors affecting the reactivity of zinc oxide with different oils: a vibrational spectroscopy study  -  12:25 - 12:30
IDENTIFICATION AND DISTRIBUTION OF SOAPS AND OXALATES IN PAINT LAYERS USING SYNCHROTRON RADIATION TECHNIQUES
Nati Salvadó*1, Salvador Butí1, Trinitat Pradell2, Victòria Beltran1, Gianfelice Cinque3, Jordi Juanhuix4
1Universitat Politècnica de Catalunya, Spain, 2Universitat Politècnica de Catalunya, Spain, 3Diamond Light Source, UK, 4CELLS-ALBA Synchrotron, Spain
Tuesday 15 March 2016:  P21: Identification and distribution of soaps and oxalates in paint layers using synchrotron radiation techniques  -  11:15 - 11:20
Investigation of the Dynamic Processes Underlying Lead Soap-Related Degradation Phenomena in Multi-Layer Model Systems
Annelies van Loon*1, Katrien Keune1,2, Joen Hermans1, Alysia Sawicka3, Mathieu Thoury4, Loïc Bertrand4, Christophe Sandt5, Solenn Reguer5, Caroline Tokarski6, Robert Corkery7, Piet Iedema1
1Van 't Hoff Institute for Molecular Sciences, PAinT Research Group, University of Amsterdam, The Netherlands, 2Rijksmuseum, The Netherlands, 3Courtauld Institute of Art, UK, 4CNRS IPANEMA, France, 5Synchrotron Soleil, France, 6Université Lille, France, 7Royal Institute of Technology, Sweden
Monday 14 March 2016:  P6: Investigation of the Dynamic Processes Underlying Lead Soap-Related Degradation Phenomena in Multi-Layer Model Systems  -  12:15 - 12:20
Investigation of the phenomena of erupting micro-protusions on the surface of oil paintings by Georgia O’Keeffe
Johanna Salvant*1, Marc Walton1, Dale Kronkright2, Oliver Cossairt3
1NU-ACCESS - Northwestern University/ Art Institute of Chicago, USA, 2Georgia O’Keeffe Museum, USA, 3Northwestern University, USA
Tuesday 15 March 2016:  P28: Investigation of the phenomena of erupting micro-protusions on the surface of oil paintings by Georgia O’Keeffe  -  12:10 - 12:15
Lead soaps: an internal marker for the impact of indoor climate on oil paint degradation
Katrien Keune*1,2, Margriet Van Eikema Hommes3,5, Henk Schellen4, Rick Kramer4, Zara Huijbregts4, Marc Stappers6
1Rijksmuseum, The Netherlands, 2University of Amsterdam, The Netherlands, 3Delft University of Technology, The Netherlands, 4Eindhoven University of Technology, The Netherlands, 5Cultural Heritage Agency of the Netherlands, The Netherlands, 6Cultural Heritage Agency of the Netherlands, The Netherlands
Monday 14 March 2016:  P11: Lead soaps: an internal marker for the impact of indoor climate on oil paint degradation  -  14:45 - 14:50
Lead(II) soaps: crystal structures, solid and liquid mesophases and glass phases
Francisco Javier Martinez-Casado*1, Miguel Ramos-Riesco2, José Antonio Rodríguez-Cheda2, María Isabel Redondo-Yélamos2, Fabio Cucinotta3
1MAX IV Laboratory, Lund University, Sweden, 2Dpto. Química-Física I. Fac. Ciencias Químicas. Universidad Complutense de Madrid, Spain, 3School of Chemistry. Newcastle University, UK
Monday 14 March 2016:  P9: Lead(II) soaps: crystal structures, solid and liquid mesophases and glass phases  -  12:30 - 12:35
Metal carboxylates: Friend or foe?
Rosie Grayburn1,2, Michel De Keersmaecker*2, Mark Dowsett1, Annemie Adriaens2
1University of Warwick, UK, 2Universiteit Gent, Belgium
Tuesday 15 March 2016:  P35: Metal carboxylates: Friend or foe?  -  14:50 - 14:55
Metal Soap Mobility in Two Late Works by Francis Picabia:  a Major Conservation Challenge and Visual Conundrum.
Jaap Boon1, Gwendolyn Boevé-Jones*2,1, Christel van Hees3
1Jaap Enterprise for Technical Studies, The Netherlands, 2Redivivus, Conservation and Restoration of Paintings, The Netherlands, 3Museum Boijmans van Beuningen, The Netherlands
Tuesday 15 March 2016:  P30: Metal Soap Mobility in Two Late Works by Francis Picabia: a Major Conservation Challenge and Visual Conundrum  -  12:20 - 12:25
Metal soaps and the dating of varnish layers
Zuhura Iddi*2,1, Katrien Keune2, Petria Noble2, Gwen Tauber2
1University of Amsterdam, The Netherlands, 2Rijksmuseum, The Netherlands
Monday 14 March 2016:  P15: Metal soaps and the dating of varnish layers:How lead soaps can contribute in the determination of an initial varnish layer  -  15:05 - 15:10
Metal Soaps in Paintings - phenomenologies and  challenges for conservation
Aviva Burnstock
Courtauld Institute of Art, UK
Tuesday 15 March 2016:  INVITED SPEAKER 4 - Metal Soaps in Paintings - phenomenologies and challenges for conservation  -  9:15 - 9:45
Metal soaps in paintings from the sixteenth to the twentieth century
Steven Saverwyns*, Christina Currie
Royal Institute for Cultural Heritage (KIK/IRPA), Belgium
Tuesday 15 March 2016:  P19: Metal soaps in paintings from the sixteenth to the twentieth century  -  10:00 - 10:05
Metal soaps in paintings: broader context
Marine Cotte*1,2, Emilie Checroun3,4, Yoko Taniguchi5, Laurence De Viguerie2, Philippe Walter2, Wout De Nolf1, Koen Janssens6, Jean Susini1
1ESRF, France, 2Sorbonne Universités, UPMC Univ Paris 06, CNRS, UMR 8220, Laboratoire d’archéologie moléculaire et structurale (LAMS), France, 3Checroun RCPM, France, 4Epitopos, France, 5Faculty of Humanities and Social Sciences, University of Tsukuba, Japan, 6University of Antwerp, Belgium
Tuesday 15 March 2016:  P33: Metal soaps in paintings: broader context  -  14:40 - 14:45
Metal Soaps on paintings by James Ensor (1860 - 1949)
Karen Bonne*1, Gwen Borms1, Stijn Legrand2, Laure Mortiaux3, Lies Vanbiervliet1, Geert Van der Snickt2, Frederik Vanmeert2, Herwig Todts1
1Royal Museum of Fine Arts Antwerp, Belgium, 2University of Antwerp, Belgium, 3Private painting conservator, Belgium
Tuesday 15 March 2016:  P32: Metal Soaps on paintings by James Ensor (1860 - 1949)  -  14:35 - 14:40
Non-invasive identification of metal oxalates and carboxylates on paintings by reflection mid-FTIR spectroscopy
Francesca Rosi*1, Letizia Monico1, Francesca Gabrieli1, Manuela Vagnini2, Chiara Anselmi3, Laura Cartechini1, Costanza Miliani1
1Istituto CNR di Scienze e Tecnologie Molecolari (CNR-ISTM), Italy, 2Associazione Laboratorio di Diagnostica per i Beni Culturali, Italy, 3Centro di eccellenza SMAArt (Scientific Methodologies applied to Archaeology and Art), Italy
Tuesday 15 March 2016:  P25: Non-invasive identification of metal oxalates and carboxylates on paintings by reflection mid-FTIR spectroscopy  -  11:35 - 11:40
Notes on metal soap extenders in modern oil paints - history, use, degradation and analysis
klaas jan van den berg
Cultural Heritage Agency of the Netherlands, The Netherlands
Tuesday 15 March 2016:  P34: Notes on metal soap extenders in modern oil paints - history, use, degradation and analysis  -  14:45 - 14:50
Paint delamination as a result of zinc soap formation in an early Mondrian painting
Annelies van Loon1, Hannie Diependaal2,5, Madeleine Bisschoff2, Katrien Keune1, Joen Hermans1, Mathieu Thoury3, Geert van der Snickt4, Ruth Hoppe*2
1Van 't Hoff Institute for Molecular Sciences, PAinT Research Group, University of Amsterdam, The Netherlands, 2Gemeentemuseum Den Haag, The Netherlands, 3IPANEMA Ancient Materials Research Platform/ Synchrotron Soleil, France, 4Antwerp University, Belgium, 5Programme Conservation and Restoration of Cultural Heritage, University of Amsterdam, The Netherlands
Monday 14 March 2016:  P3: Paint delamination as a result of zinc soap formation in an early Mondrian painting  -  11:10 - 11:15
Paintings by Pierre Soulages around 1958-1962: when metal soaps have severe action - case study
Pauline Helou-de La Grandière
Atelier Helou-de La Grandière, France
Tuesday 15 March 2016:  P31: Paintings by Pierre Soulages around 1958-1962 : when metal soaps have severe action - case study  -  14:30 - 14:35
Polar medium exudates in oil paintings and their disastrous consequences. 
Jaap Boon
JAAP Enterprise for Art Scientific Studies, The Netherlands
Tuesday 15 March 2016:  INVITED SPEAKER 6 - Polar medium exudates in oil paintings and their disastrous consequences  -  14:00 - 14:30
Seldom black and white- the works of Franz Kline
Zahira Velíz Bomford, Maite Leal, Corina Rogge*
The Museum of Fine Arts, Houston, USA
Monday 14 March 2016:  P1: Seldom black and white- the works of Franz Kline  -  11:00 - 11:05
Structural studies of Fe and Cu carboxylates in the context of paintings and metallic artefacts preservation.
Solenn REGUER*1, Anne-Solenn Le Hô2, Francois Mirambet2, Emmanuel Roccaa3
1Synchrotron SOLEIL, France, 2Centre de Recherche et de Restauration des Musées de France, France, 3Institut Jean Lamour,, France
Tuesday 15 March 2016:  P27: Structural studies of Fe and Cu carboxylates in the context of paintings and metallic artefacts preservation  -  12:05 - 12:10
Structure and distribution of zinc carboxylates by FTIR spectroscopy and imaging at a macro and micro scale level: from simplified model samples to actual paintings
Costanza Miliani*1, Francesca Rosi1, Francesca Gabrieli1, Laura Cartechini1, Luciano Pensabene2, Carol Stringari3, Francesca Bettini4, Francesca Vichi5, Sergei G. Kazarian5
1CNR-ISTM, Istituto di Science e Tecnologie Molecolari, Italy, 2Peggy Guggenheim Collection, Italy, 3Solomon R. Guggenheim Foundation, USA, 4Opificio delle Pietre Dure, Italy, 5Department of Chemical Engineering, Imperial College, UK
Monday 14 March 2016:  INVITED SPEAKER 3 - Structure and distribution of zinc carboxylates by FTIR spectroscopy and imaging at a macro and micro scale level: from simplified model samples to actual paintings  -  14:15 - 14:45
The creation and present appearance of Francis Picabia's ‘transparencies'
Joyce Townsend*, Annette King, Bronwyn Ormsby
Tate, UK
Tuesday 15 March 2016:  P29: The creation and present appearance of Francis Picabia's ‘transparencies'  -  12:15 - 12:20
The Development of an Aqueous Gel Testing Procedure for the Removal of Inorganic Salt Crusts on the Surface of Paintings by Antonio Giovanni Pellegrini (1675-1741) in the ‘Golden Room’ of the Mauritshuis
Annelies van Loon1,2, Laura Eva Hartman1, Julia van den Burg1, Ralph Haswell3, Carol Pottasch*1
1Royal Picture Gallery Mauritshuis, The Netherlands, 2Van 't Hoff Institute for Molecular Sciences, PAinT Research Group, University of Amsterdam, The Netherlands, 3Shell Global Solutions International, The Netherlands
Tuesday 15 March 2016:  P16: The Development of an Aqueous Gel Testing Procedure for the Removal of Inorganic Salt Crusts on the Surface of Paintings by Antonio Giovanni Pellegrini (1675-1741) in the ‘Golden Room’ of the Mauritshuis  -  9:45 - 9:50
The dynamics of metal soap formation
Joen Hermans*1, Katrien Keune1,2, Annelies van Loon1, Piet Iedema1
1University of Amsterdam, The Netherlands, 2Rijksmuseum, The Netherlands
Monday 14 March 2016:  INVITED SPEAKER 2 - The dynamics of metal soap formation  -  11.40 - 12.10
The Formation of Calcium Fatty Acid Salts in Oil Paint: Two Case Studies
Kate Helwig*1, Elisabeth Forest2, Aimie Turcotte2, Elizabeth Moffatt1, Wendy Baker1, Nancy Binnie1
1Canadian Conservation Institute, Canada, 2Centre de conservation du Québec, Canada
Tuesday 15 March 2016:  P20: The Formation of Calcium Fatty Acid Salts in Oil Paint: Two Case Studies  -  10:05 - 10:10
The role played by metal soaps in the identification of drying oils
Ilaria Bonaduce*1, Leslie Carlyle2, Maria Perla Colombini1,3, Celia Duce1, Carlo Ferrari1, Erika Ribechini1, Paola Selleri1, Maria Rosaria Tiné0
1Department of Chemistry and Industrial Chemistry, University of Pisa, Italy, 2Departamento de Conservação e Restauro, FCT/UNL, Portugal, 3Institute for the Conservation and Valorization of Cultural Heritage (ICVBC), National Research Council, Italy, 4National Institute of Optics (INO), National Research Council, Italy
Tuesday 15 March 2016:  P22: The role played by metal soaps in the identification of drying oils  -  11:20 - 11:25
The unusual behavior of zinc soaps in mid-20th-century paint films
Dawn Rogala*1, Christopher Maines2
1Museum Conservation Institute, Smithsonian Institution, USA, 2National Gallery of Art, USA
Monday 14 March 2016:  P5: The unusual behavior of zinc soaps in mid-20th-century paint films  -  11:20 - 11:25
The utility of ATR-FTIR spectroscopy imaging and Cluster Analysis in the study of metal soaps formed in the azurite-based paint layers
Zofia Kaszowska*1, Kamilla Malek2, Kinga Czarnecka2, Malgorzata Walczak1
1Jan Matejko Academy of Fine Arts in Krakow, Faculty of Conservation and Restoration of Works of Art, Poland, 2Jagiellonian University, Faculty of Chemistry, Poland
Tuesday 15 March 2016:  P24: The utility of ATR-FTIR spectroscopy imaging and Cluster Analysis in the study of metal soaps formed in the azurite-based paint layers  -  11:30 - 11:35
The visual impact of zinc-oxide degradation on two of Salvador Dali’s renowned oil paintings on panel from the 1930’s: the role of external factors and implications for their conservation and restoration treatments.
Gwendolyn Boevé-Jones*, Katrien Keune, Christel van Hees
Redivivus, The Netherlands
Monday 14 March 2016:  P14: The visual impact of zinc-oxide degradation on two of Salvador Dali’s renowned oil paintings on panel from the 1930’s: the role of external factors and implications for their conservation and restoration treatments  -  15:00 - 15:05
Understanding the Dynamics of Lead Soaps in Oil Paintings 
Jaclyn Catalano2, Anna Murphy3, Yao Yao3, Nicholas Zumbulyadis4, Silvia Centeno*1, Cecil Dybowski3
1Metropolitan Museum of Art, USA, 2Montclair State University, USA, 3University of Delaware, USA, 4Independent Researcher, USA
Tuesday 15 March 2016:  INVITED SPEAKER 5 - Understanding the Dynamics of Lead Soaps in Oil Paintings  -  10:45 - 11:15
Zinc soaps: an overview of zinc oxide reactivity and consequences of soap formation in oil based paintings
Gillian Osmond
Queensland Art Gallery/Gallery of Modern Art, Australia
Monday 14 March 2016:  INVITED SPEAKER 1 - Zinc soaps: an overview of zinc oxide reactivity and consequences of soap formation in oil based paintings  -  10:00 - 10:30